Installation, user and maintenance manual
– GAHP-A
13
PCI 34.02 MJ/m3 (1013 mbar – 15 ° C).
3.
PCI 46.34 MJ/kg (1013 mbar – 15 ° C).
4.
± 10% depending on power voltage and absorption tolerance of electric motors.
5.
Overall dimensions excluding fumes pipes (see Figure 3.1 Size (Standard ventila-
6.
tion)
→
15, 3.2 Dimensions (low consumption ventilation – S1)
→
15and Figure 3.3
Dimensions (low noise version)
→
16).
As an option, a version for operation down to -30 °C is available.
7.
Sound power values measured according to EN ISO 9614.
8.
PCI 29.25 MJ/m3 (1013 mbar – 15 ° C).
9.
Maximum sound pressure values in free field, with directionality factor 2, obtained
10.
from sound power level in compliance with norm EN ISO 9614.
Maximum sound pressure values measured in free field, direction factor 2, accord-
11.
ing to EN 3744.
table 3�2 – GAHP-A HT technical data
GAHP-A HT S1
GAHP-A HT S
GAHP-A HT
oPeRAtIon WHen HeAtInG
OPERATING POINT A7W50
G.U.E. gas usage efficiency
%
152 (1)
Thermal power
kW
38,3 (1)
OPERATING POINT A7W65
G.U.E. gas usage efficiency
%
124 (1)
Thermal power
kW
31,1 (1)
OPERATING POINT A-7W50
G.U.E. gas usage efficiency
%
127 (1)
Thermal power
kW
32,0 (1)
Thermal capacity
Nominal (1013 mbar - 15°C)
kW
25,7
true peak
kW
25,2
NOx emission class
5
NOx emission
ppm
25
CO emission
ppm
36
Hot water delivery temperature
maximum for heating
°C
65
maximum for DHW
°C
70
Hot water return temperature
maximum heating
°C
55
maximum for DHW
°C
60
minimum temperature in
continuous operation**
°C
30
Hot water flow rate
nominal
l/h
3000
maximum
l/h
4000
minimum
l/h
1400
Hot water pressure drop
nominal water pressure (A7W50)
bar
0,43 (2)
Ambient air temperature (dry
bulb)
maximum
°C
40
minimum
°C
-15 (7)
Thermal differential
nominal
°C
10
gas consumption
methane G20 (nominal)
m3/h
2,72 (3)
methane G20 (MIN)
m3/h
1,34
G25 (nominal)
m3/h
3,16 (9)
G25 (MIN)
m3/h
1,57
G30 (nominal)
kg/h
2,03 (4)
G30 (MIN)
kg/h
0,99
G31 (nominal)
kg/h
2,00 (4)
G31 (MIN)
kg/h
0,98
eLeCtRICAL sPeCIfICAtIons
Power supply
Voltage
V
230
TYPE
SINGLE PHASE
Frequency
50 Hz
supply
50
Electrical power absorption
nominal
kW
0,83 (5)
1,09 (5)
0,90 (5)
minimum
kW
0,56 (5)
-
Degree of protection
IP
X5D
InstALLAtIon dAtA
Sound power Lw (max)
dB(A)
75,3 (8)
73 (11)
82,1 (8)
Sound power Lw (min)
dB(A)
72,3 (8)
-
Sound pressure Lp at 5 metres (max)
dB(A)
53,3 (10)
51 (11)
60,1 (10)
Sound pressure Lp at 5 metres (min)
dB(A)
50,3 (10)
-
Minimum storage temperature
°C
-30
